IB/srpt: Disable RDMA access by the initiator

commit bec40c26041de61162f7be9d2ce548c756ce0f65 upstream.

With the SRP protocol all RDMA operations are initiated by the target.
Since no RDMA operations are initiated by the initiator, do not grant
the initiator permission to submit RDMA reads or writes to the target.

Signed-off-by: Bart Van Assche <bart.vanassche@wdc.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/infiniband/ulp/srpt/ib_srpt.c b/drivers/infiniband/ulp/srpt/ib_srpt.c
index 9d72100a03947870d28915c874834629ba6dbb4d..587311887d9472f7360b689f9963d8748c3a3f98 100644 (file)
--- a/drivers/infiniband/ulp/srpt/ib_srpt.c
+++ b/drivers/infiniband/ulp/srpt/ib_srpt.c
@@ -959,8 +959,7 @@ static int srpt_init_ch_qp(struct srpt_rdma_ch *ch, struct ib_qp *qp)
                return -ENOMEM;
 
        attr->qp_state = IB_QPS_INIT;
-       attr->qp_access_flags = IB_ACCESS_LOCAL_WRITE | IB_ACCESS_REMOTE_READ |
-           IB_ACCESS_REMOTE_WRITE;
+       attr->qp_access_flags = IB_ACCESS_LOCAL_WRITE;
        attr->port_num = ch->sport->port;
        attr->pkey_index = 0;